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Supplier: Zaber Technologies, Inc.
Description: For more information about the basics of a vacuum system and considerations to keep in mind when gathering requirements for your application, read our technical article, "Motion Device Design Considerations for Vacuum Applications". Zaber's LSM-V1 Series devices are
- Stroke or X-Axis Travel: 6.00000324 inch
- Rated Speed: 0.94488188976378 in/sec
- Motor Features: Motor Encoder Feedback
- Bearing Type: Needle Roller Bearing
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Supplier: Zaber Technologies, Inc.
Description: For more information about the basics of a vacuum system and considerations to keep in mind when gathering requirements for your application, read our technical article, "Motion Device Design Considerations for Vacuum Applications". Zaber's LSM-V1 Series devices are
- Stroke or X-Axis Travel: 1.00000054 inch
- Rated Speed: 0.94488188976378 in/sec
- Motor Features: Motor Encoder Feedback
- Bearing Type: Needle Roller Bearing
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Supplier: Zaber Technologies, Inc.
Description: For more information about the basics of a vacuum system and considerations to keep in mind when gathering requirements for your application, read our technical article, "Motion Device Design Considerations for Vacuum Applications". Zaber's LSM-V1 Series devices are
- Stroke or X-Axis Travel: 4.00000216 inch
- Rated Speed: 0.94488188976378 in/sec
- Motor Features: Motor Encoder Feedback
- Bearing Type: Needle Roller Bearing
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Supplier: Zaber Technologies, Inc.
Description: For more information about the basics of a vacuum system and considerations to keep in mind when gathering requirements for your application, read our technical article, "Motion Device Design Considerations for Vacuum Applications". Zaber's LSM-V1 Series devices are
- Stroke or X-Axis Travel: 2.00000108 inch
- Rated Speed: 0.94488188976378 in/sec
- Motor Features: Motor Encoder Feedback
- Bearing Type: Needle Roller Bearing
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Supplier: H2W Technologies
Description: Fully vacuum compatible four axis positioning gantry (XYTZ). The XY axes are driven by brushless linear motor DR Positioning Stages. The Theta axis is a worm gear stage that is driven by a rotary stepper motor under closed loop control in conjunction with an arc-segmented linear
- Stroke or X-Axis Travel: 6.2 inch
- Y-Axis Travel: 6.2 inch
- Z-Axis Travel: 1 inch
- Motor Type: DC Brushless, Stepper
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Supplier: PI (Physik Instrumente) L.P.
Description: Reduced outgassing especially for use in vacuum environments Most notably, for the lubrication of the guides and the drive screw a material with particularly low outgassing is used. This allows a bakeout temperature of up to 80° C. With this and other modifications of the
- Stroke or X-Axis Travel: 0.9842525 to 11.81103 inch
- Rated Speed: 0.393700787401575 in/sec
- Carriage Load: 11.025 lbs
- Motor Voltage: 48 volts
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Supplier: PI (Physik Instrumente) L.P.
Description: Reference switch with direction sensing in the middle of the travel range. Integrated linear encoder, installed centrically. Reduced outgassing especially for use in vacuum environments Most notably, for the lubrication of the guides and the drive screw a material with particularly
- Z-Axis Travel: 1.0236226 inch
- Rated Speed: 0.29527559055118124 in/sec
- Carriage Load: 12.364 lbs
- Base Length: 5.22441227 inch
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Supplier: H2W Technologies
Description: with a ball slide which allows for smooth motion. The magnet housing is the moving part of the assembly so that there are no moving (flexing) cables in the system. This voice coil positioning stage has been manufactured using low-outgassing materials as selected by NASA in order to
- Stroke or X-Axis Travel: 2 inch
- Carriage Load: 6 lbs
- Base Length: 5.5 inch
- Base Width: 2.375 inch
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Supplier: H2W Technologies
Description: This moving magnet actuator (NCM04-35-250-2LVE) comes supplied with an integrated vacuum compatible recirculating ball bushing linear bearing, which has been selected especially for the usage with this actuator. This actuator has been manufactured using low-outgassing materials
- Force Constant (KF): 4.1 lb/amp
- Peak Force (FP): 75 lbs
- Linear Stroke: 0.4 inch
- Electrical Time Constant: 330 µs
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Supplier: Agilent Technologies - Vacuum Products
Description: which when opened, allows the pump to achieve its rated water-vapor handling specification of 550 gr/hr. Dual Stage design allows low 10-3 mbar operation, low operating temperature, minimal backstreaming at low pressure, good pumping efficiency and gas ballast in the low
- Ultimate Operating Vacuum: 0.001500567648946148 torr
- Pumping Speed: 12.2892 CFM
- Operating Temperature: 53.6 to 104 F
- Motor Power: 1.474242423393102 HP
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Supplier: Agilent Technologies - Vacuum Products
Description: power switch, or optional three-phase motor. An inlet isolation valve is integrated into the pump to close off the inlet port whenever power to the pump is interrupted. This antibackstream valve maintains vacuum in the roughing, or fore-line, and prevents pump oil from contaminating
- Ultimate Operating Vacuum: 0.001500567648946148 torr
- Pumping Speed: 17.5812 CFM
- Operating Temperature: 53.6 to 104 F
- Motor Power: 1.474242423393102 HP
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Supplier: Agilent Technologies - Vacuum Products
Description: ballast valve, which when opened, allows the pump to achieve its rated water vapor handling specification. Dual Stage design allows low 10-3 mbar operation, low operating temperature, minimal backstreaming at low pressure, good pumping efficiency and gas ballast in the
- Ultimate Operating Vacuum: 0.001500567648946148 torr
- Pumping Speed: 5.8212 CFM
- Operating Temperature: 53.6 to 104 F
- Motor Power: 0.9649586771300304 HP
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Supplier: Agilent Technologies - Vacuum Products
Description: manual gas ballast valve, which when opened, allows the pump to achieve it's rated water vapor handling specification. Dual Stage design allows low 10-3 mbar operation, low operating temperature, minimal backstreaming at low pressure, good pumping efficiency and gas ballast in
- Ultimate Operating Vacuum: 0.001500567648946148 torr
- Pumping Speed: 8.1732 CFM
- Operating Temperature: 53.6 to 104 F
- Motor Power: 0.9649586771300304 HP
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Supplier: H2W Technologies
Description: with a high accuracy crossed roller bearing. The motor coil is the moving part of the assembly in order to reduce the moving mass of the system. Power is supplied to the motor via a high flex, high reliability flat ribbon cable. The voice coil motor has been mounted to the side
- Stroke or X-Axis Travel: 2 inch
- Motor Continuous Power: 0.00938154269431974 HP
- Base Length: 5.5 inch
- Base Width: 4.05 inch
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Solar Ultraviolet Measurements of Ultraviolet Radiation (SUMER) instrument on SOHO: design, performance predictions, and calibration aspects
Ultra-high vacuum stepper motors have been specially designed and extensively conditioned and verified for low outgassing before inteon. .
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Considerations for Step Motors in Space Applications
The insulation material and lamination cement or glue used in the stator of a commercial grade motor are selected for rapid application and low cost, with no concern for vacuum outgassing .
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Solar diffuser preflight calibration set-up
The movement of the slides is made by a stepper motor , a leadscrew and bearing in special PTFE material suitable for vacuum ( low friction, no- outgassing , large operating temperature range).
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Development of rotating prism mechanism and athermalized prism mounting for space
The selected stepper motors are specifically designed for use in vacuum environments, with no metal to metal sliding surfaces, low outgassing characteristics, and an operational temperature range of 77 - 448K.
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Motor Designs To Survive Hostile Environments
Solutions to all of these vacuum motor problems -- outgassing , cooling, leakage, and corona effects -- have been answered by new designs in vacuum motors . Outgassing, for example, can be prevented by the selection of materials with low vapor pressure.
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Resolvers - The Feedback Problem-Solvers in Harsh Environments
In general, standard motors will not survive in a vacuum of 10-4 Torr or lower . … of the motor and cable will evaporate, a phenomenon known as outgassing. Outgassing within a vacuum …
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The CHARA light pipe and vacuum system
For motorized micrometers, vacuum qualified Picomotors were employed. For the POP box mirror selectors, a custom batch of Hurst gear motors was fabricated with no low -volatility lubricants and low outgassing wires.
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Influence of fibre surface oxidation treatment on mechanical interfacial properties of carbon fibre/ polyarylacetylene composites
Furthermore, the pre- polymer of PAA resin is liquid with low viscosity, or a soluble and fusible solid at room temperature, hence providing better … … and therefore is suitable for conventional curing processes such as com- pression moulding, vacuum bagging, resin transfer mould … The main potential applications of PAA resin include use in conventional resin matrix composites with ultralow moisture outgassing characteristics and improved dimen- sional stability suitable for spacecraft structures, as an ablative insulator for solid rocket motors , and as a precursor for carbon …
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Recent Advances in Elastomeric Nanocomposites
… better processing flexibility, being applicable for conventional curing processes like compression molding process, vacuum bagging method, resin … The main potential applications of PAA resin are in conventional resin matrix composites with ultra- low moisture outgassing characteristics and improved dimensional stability suitable for spacecraft structures, as an ablative insulator for solid rocket motors , and as a precursor for carbon–carbon composites.
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